TREATMENT OF TOUGH INORGANIC FIBERS AND THEIR USE IN A MOUNTING MAT FOR EXHAUST GAS TREATMENT DEVICE

• Main Authors: WEEKS, KELVIN, KELSALL, ADAM
• Format: Patent
• Language: English; Polish
• Published: 31.01.2020
• Subjects: BLASTING; BRAIDING; COTTON-WOOL; ENGINE PLANTS IN GENERAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; IMPREGNATING OR COATING OF PAPER; KNITTING; LACE-MAKING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; MECHANICAL ENGINEERING; NON-WOVEN FABRICS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; STEAM ENGINES; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; TRIMMINGS; WADDING; WEAPONS

A method of treating tough inorganic fiber bundles including opening a plurality of the tough inorganic fiber bundles such that tough inorganic fibers can be dispersed in a liquid slurry to lay down a homogenous fiber aggregate, wherein the tough inorganic fibers have a crush settle volume of greater than 250 ml, optionally greater than 450 ml. Also, a method of treating tough inorganic fiber bundles including dispersing a plurality of the tough inorganic fiber bundles in a slurry with a dilution of about 0.1% to about 2%, optionally about 0.1% to about 1%, effective to lay down a homogenous fiber aggregate, wherein the tough inorganic fibers have a crush settle volume of greater than 250 ml, optionally greater than 450 ml.